[BC] When did GE die? RCA, Westinghouse, Collins Western Electric.

[Phil Alexander]

On 2 Jun 2006 at 8:00, DHultsman5 at aol.com wrote:

> Collins also had brochures up to 50 kW. FM  all just add on  amplifiers.  As 
> I recall the only company to make the 50 kW. FM was  RCA,  which sold one to 
> WBRC-FM in Birmingham that had 500,000 Watts  ERP  using the RCA transmitter 
> and a horizontal FM Antenna atop Red  Mountain.   I have heard they, RCA sold 
> four of these  transmitters.
> 
> The later high power FM transmitters were the famous RCA "ring  amplifiers"  
> from low-band TV consisting of seven RCA 5762 triodes in  parallel.  I believe 
> these were used at the Fetzer 500 kW. stations in  Michigan.
> 
> Does anyone have an recollection of the type of transmitter used with the  
> 300 kW. transmitter at the old WILL-FM in Champain-Urbana,  IL????  I  know the 
> university dropped the ERP when they replaced the old  transmitter.

Dave,

Don't forget about Fetzer with 500 kW in Kalamazoo. Don't know whose box they
had, but that would have taken a 50 kW box for 500 kW H-Pol.

---------------------------------------------
Phil Alexander, CSRE, AMD
Broadcast Engineering Services and Technology 
(a Div. of Advanced Parts Corporation) 
Ph. (317) 335-2065   FAX (317) 335-9037





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